Carrier system
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1991.0130.001
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- OBJECT TYPE
- 12 CHANNEL/4 WIRE
- DATE
- 1950–1960
- ARTIFACT NUMBER
- 1991.0130.001
- MANUFACTURER
- Northern Electric Co. Ltd. of Canada
- MODEL
- N
- LOCATION
- Montréal, Québec, Canada
More Information
General Information
- Serial #
- N/A
- Part Number
- 1
- Total Parts
- 1
- AKA
- N/A
- Patents
- N/A
- General Description
- METAL FRAME & TROLLEY/ METAL, GLASS & SYNTHETIC WORKING PARTS/ PLYWOOD BACK
Dimensions
Note: These reflect the general size for storage and are not necessarily representative of the object's true dimensions.
- Length
- 69.0 cm
- Width
- 52.0 cm
- Height
- 109.0 cm
- Thickness
- N/A
- Weight
- N/A
- Diameter
- N/A
- Volume
- N/A
Lexicon
- Group
- Communications
- Category
- Telephony
- Sub-Category
- N/A
Manufacturer
- AKA
- Northern Electric
- Country
- Canada
- State/Province
- Québec
- City
- Montréal
Context
- Country
- North America
- State/Province
- Unknown
- Period
- 1950'S
- Canada
-
"N" CARRIER WAS WIDELY USED IN CANADA. THIS BAY WAS USED IN THE PLANT TRAINING SCHOOLS TO TEACH THE MAINTENANCE & REPAIR TECHNIQUES THAT WOULD BE LATER USED IN THE FIELD. - Function
-
TO CARRY 12 TWO-WAY TELEPHONE CHANNELS ON 2 NON-LOADED CABLE PAIRS OVER DISTANCES OF FROM 20 TO 200 MILES. - Technical
-
USED MINIATURIZED, FOR THE TIME, COMPONENTS. USED 'COMPANDERS' TO COMPRESS THE RANGE OF SPEECH VOLUME ON THE LINE WHICH ALLOWED FOR A BETTER SIGNAL TO NOISE & CROSSTALK RATIO. THIS UNIT HAS BEEN RETROFITTED WITH SOLID STATE COMPONENTS TO REPLACE ORIGINAL VACUUM TUBES. - Area Notes
-
Unknown
Details
- Markings
- PARTS NOS. PRINTED ON BACKS OF PARTS/ INSTRUCTIONS PRINTED AROUND CONTROL KNOBS/ PRINTED NEAR BOTTOM: 'J98703A L3/ N1 CARRIER TERM/ SD-95121-01'
- Missing
- N/A
- Finish
- BEIGE PAINT ON FRAME & TROLLEY/ UNFINISHEDMETAL ON WORKING PARTS/ BROWN KNOBS/ BLACK PRINTING
- Decoration
- N/A
CITE THIS OBJECT
If you choose to share our information about this collection object, please cite:
Northern Electric Co. Ltd. of Canada, Carrier system, circa 1950–1960, Artifact no. 1991.0130, Ingenium – Canada’s Museums of Science and Innovation, http://collection.ingeniumcanada.org/en/id/1991.0130.001/
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